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How can i implement force angle logic in existing F28069 device?

Amtech
Genius 4585 points

Other Parts Discussed in Thread: CONTROLSUITE

Dear all,

I am using insta spin for ACIM. There is a good force angel feature.

Now i have all ready F28069 regular device with out insta spin. and i implemented sensor less FOC with control suite example. I face problem on low speed frequency(less than 1Hz, 60rpm). I want to implement force angle type feature in this. Is there any example code available?

Thank you

  • 0
    TI__Guru** 119680 points

    not exactly the same, but the controlSUITE examples do have the SW1, SW2 flags. And with SW1 (if I recall correctly) you are sending an increasing rotor angle into the control system instead of the feedback from the observer.  However you have to handle all of the logic of switching to SW2 on your own.

  • 0 in reply to ChrisClearman
    Genius 4585 points

    Dear chrish,

    Thank you for reply.

    I refer example code of controlsuit(sprca85_controlsuit_3.2.5). But I could not found SW1 and SW2 flags in any example file. I refer “C:\ti\controlSUITE\development_kits\HVMotorCtrl+PfcKit_v2.1” path examples.

    So in which example these flags are available?

  • 0 in reply to Amtech
    TI__Guru** 119680 points

    sorry, the variable is called "lsw" and is typically set to 0, 1, or 2

    It is used in most of the projects. Example:

    C:\ti\controlSUITE\development_kits\HVMotorCtrl+PfcKit_v2.1\HVPM_Enhanced_Sensorless_2803x